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  • EN 62305-4:2011/AC:2016-11

    Current The latest, up-to-date edition.

    Protection against lightning - Part 4: Electrical and electronic systems within structures

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    Language(s): 

    Published date:  04-11-2016

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Lightning current parameters
    5 Damage due to lightning
    6 Need and economic justification for lightning protection
    7 Protection measures
    8 Basic criteria for protection of structures
    Annex A (informative) - Parameters of lightning current
    Annex B (informative) - Time functions of the lightning
            current for analysis purposes
    Annex C (informative) - Simulation of the lightning current
            for test purposes
    Annex D (informative) - Test parameters simulating the effects
            of lightning on LPS components
    Annex E (informative) - Surges due to lightning at different
            installation points
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives general principles to be followed for protection of structures against lightning, including their installations and contents, as well as persons.

    General Product Information - (Show below) - (Hide below)

    Committee TC 81X
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    CEI EN 62561-4 : 2012 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 4: REQUIREMENTS FOR CONDUCTOR FASTENERS
    UNE-EN 61400-24:2011 Wind turbines - Part 24: Lightning protection
    CLC/TS 62603-1:2014 Industrial process control systems - Guideline for evaluating process control systems - Part 1: Specifications
    S.R. HD 60364-5-534:2016 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-53: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - ISOLATION, SWITCHING AND CONTROL - CLAUSE 534: DEVICES FOR PROTECTION AGAINST TRANSIENT OVERVOLTAGES
    BS EN 61000-4-5:2014 Electromagnetic compatibility (EMC) Testing and measurement techniques. Surge immunity test
    08/30152055 DC : DRAFT APR 2008 BS EN 50518-1 - MONITORING AND ALARM RECEIVING CENTER - PART 1: LOCATION AND CONSTRUCTION REQUIREMENTS
    BS EN 61822:2009 Electrical installations for lighting and beaconing of aerodromes. Constant current regulators
    BS EN 60794-3-60:2008 Optical fibre cables Outdoor cables. Family specification for drinking water pipe cables and subducts for installation by blowing and/or pulling/dragging/floating in drinking water pipes
    BS EN 62305-3:2011 Protection against lightning Physical damage to structures and life hazard
    BS EN 50164-1:2008 Lightning protection components (LPC) Requirements for connection components
    BS EN 50164-5:2009 Lightning protection components (LPC) Requirements for earth electrode inspection housings and earth electrode seals
    17/30360253 DC : 0 BS EN 15288-1 - SWIMMING POOLS - PART 1: SAFETY REQUIREMENTS FOR DESIGN
    I.S. EN 50164-6:2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 6: REQUIREMENTS FOR LIGHTNING STRIKE COUNTERS
    S.R. CEN TS 12977-1:2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    DIN EN 13084-6:2016-02 FREE-STANDING CHIMNEYS - PART 6: STEEL LINERS - DESIGN AND EXECUTION
    BS EN 13084-6:2015 Free-standing chimneys Steel liners. Design and execution
    EN 60794-3-60:2008 Optical fibre cables - Part 3-60: Outdoor cables - Family specification for drinking water pipe cables and subducts for installation by blowing and/or pulling/dragging/floating in drinking water pipes
    EN 62561-2:2012 Lightning Protection System Components (LPSC) - Part 2: Requirements for conductors and earth electrodes
    EN 50164-4:2008 Lightning Protection Components (LPC) - Part 4: Requirements for conductor fasteners
    EN 62305-4:2011/AC:2016 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES (IEC 62305-4:2010)
    EN 12779:2015 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
    HD 60364-5-534:2016 Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control - Clause 534: Devices for protection against transient overvoltages
    EN 61822:2009 ELECTRICAL INSTALLATIONS FOR LIGHTING AND BEACONING OF AERODROMES - CONSTANT CURRENT REGULATORS
    EN 50164-1:2008 Lightning Protection Components (LPC) - Part 1: Requirements for connection components
    EN 12186:2014 Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements
    EN 61000-4-5:2014/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-5: TESTING AND MEASUREMENT TECHNIQUES - SURGE IMMUNITY TEST (IEC 61000-4-5:2014/A1:2017)
    I.S. EN 50164-5:2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 5: REQUIREMENTS FOR EARTH ELECTRODE INSPECTION HOUSINGS AND EARTH ELECTRODE SEALS
    PREN 13243 : DRAFT 2013 SAFETY REQUIREMENTS FOR CABLEWAY INSTALLATIONS DESIGNED TO CARRY PERSONS - ELECTRICAL EQUIPMENT OTHER THAN FOR DRIVE SYSTEMS
    BS EN 62858:2015 Lightning density based on lightning location systems (LLS). General principles
    BS EN 50164-7:2008 Lightning protection components (LPC) Requirements for earthing enhancing compounds
    BS EN 50164-6:2009 Lightning protection components (LPC) Requirements for lightning strike counters
    DD CEN/TS 12977-1:2010 Thermal solar systems and components. Custom built systems General requirements for solar water heaters and combisystems
    07/30166781 DC : 0 BS EN 50164-2 AMD 2 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 2: REQUIREMENTS FOR CONDUCTORS AND EARTH ELECTRODES
    PD CLC/TR 50450:2006 Resistibility requirements for equipment having (a) telecommunication port(s)
    08/30180781 DC : DRAFT APR 2008 BS EN 50164-6 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 6: REQUIREMENTS FOR LIGHTNING STRIKE COUNTERS
    UNE-EN 62561-1:2012 Lightning Protection System Components (LPSC) - Part 1: Requirements for connection components
    CLC/TS 50539-22:2010 Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 22: Selection and application principles - Wind turbine applications
    I.S. CLC/TR 50450:2006 RESISTIBILITY REQUIREMENTS FOR EQUIPMENT HAVING (A) TELECOMMUNICATION PORT(S)
    I.S. EN 50164-3:2006 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
    I.S. EN 50164-2:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 2: REQUIREMENTS FOR CONDUCTORS AND EARTH ELECTRODES
    CEI EN 62305-3 : 2013 PROTECTION AGAINST LIGHTNING - PART 3: PHYSICAL DAMAGE TO STRUCTURES AND LIFE HAZARD
    CEI EN 62305-4 : 2013 PROTECTION CONTRE LA FOUDRE - PARTIE 4: RESEAUX DE PUISSANCE ET DE COMMUNICATION DANS LES STRUCTURES
    UNE-EN 12186:2015 Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements
    I.S. EN 12186:2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    I.S. EN 12779:2015 SAFETY OF WOODWORKING MACHINES - CHIP AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATION - SAFETY RELATED PERFORMANCES AND SAFETY REQUIREMENTS
    I.S. EN 13084-6:2015 FREE-STANDING CHIMNEYS - PART 6: STEEL LINERS - DESIGN AND EXECUTION
    VDI 3786 Blatt 3:2012-10 Environmental meteorology - Meteorologial measurements - Air temperature
    VDI 2166 Blatt 2:2015-10 Planning of electrical installations in buildings - Advice for electric mobility
    VDI 3786 Blatt 4:2013-06 Environmental meteorology - Meteorological measurements - Air humidity
    VDI 3564 Blatt 1:2017-05 Fire protection - Recommendations for high-bay warehouses
    VDI 2262 Blatt 1:2013-06 Workplace air - Reduction of exposure to air pollutants - Legal principles, terms and definitions, basic organisational measures for industrial safety and environmental protection
    PD CLC/TS 50539-12:2013 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. SPDs connected to photovoltaic installations
    08/30180770 DC : DRAFT APR 2008 BS EN 50164-3 AMD 1 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
    BS EN 50164-3 : 2006 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
    I.S. EN 62858:2015 LIGHTNING DENSITY BASED ON LIGHTNING LOCATION SYSTEMS (LLS) - GENERAL PRINCIPLES
    BS EN 50164-4:2008 Lightning protection components (LPC) Requirements for conductor fasteners
    PD CLC/TS 62603-1:2014 Industrial process control systems. Guideline for evaluating process control systems Specifications
    BS EN 62305-4:2011 Protection against lightning Electrical and electronic systems within structures
    UNI CEN/TS 12977-1 : 2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    UNE-EN 62561-2:2012 Lightning Protection System Components (LPSC) - Part 2: Requirements for conductors and earth electrodes
    I.S. EN 62561-2:2012 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 2: REQUIREMENTS FOR CONDUCTORS AND EARTH ELECTRODES (IEC 62561-2:2012 (MOD))
    PREN 12779 : DRAFT 2014 SAFETY OF WOODWORKING MACHINES - CHIPS AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATIONS - SAFETY REQUIREMENTS
    I.S. CLC TS 61643-22:2006 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
    I.S. EN 62305-3:2011 PROTECTION AGAINST LIGHTNING - PART 3: PHYSICAL DAMAGE TO STRUCTURES AND LIFE HAZARD
    I.S. EN 50164-4:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 4: REQUIREMENTS FOR CONDUCTOR FASTENERS
    I.S. EN 62305-2:2012 PROTECTION AGAINST LIGHTNING - PART 2: RISK MANAGEMENT (IEC 62305-2:2010 (MOD))
    UNE-EN 62305-3:2011 Protection against lightning -- Part 3: Physical damages to structures and life hazard
    I.S. EN 62305-4:2011 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES
    I.S. EN 50164-1:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 1: REQUIREMENTS FOR CONNECTION COMPONENTS
    CLC/TR 50450:2006 Resistibility requirements for equipment having (a) telecommunication port(s)
    S.R. CLC/TS 61643-12:2009 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES
    EN 12977-1:2018 Thermal solar systems and components - Custom built systems - Part 1: General requirements for solar water heaters and combisystems
    DIN EN 12186:2014-12 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    DIN EN 12779:2016-03 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
    UNE-EN 13084-6:2016 Free-standing chimneys - Part 6: Steel liners - Design and execution
    DD CLC/TS 61643-12:2009 Low-voltage surge protective devices Surge protective devices connected to low-voltage power distribution systems. Selection and application principles
    UNE-EN 62305-4:2011 Protection against lightning -- Part 4: Electrical and electronic systems within structures
    EEMUA 207 : 2009 DOUBLE CONCRETE TANKS FOR LIQUEFIED GAS - GUIDE TO DESIGN, CONSTRUCTION AND OPERATION
    UNI EN 12186 : 2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
    EN 50164-3 : 2006 AMD 1 2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
    DIN EN 12977-1:2016-08 (Draft) THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    CEI EN 61400-24 : 2011 WIND TURBINES - PART 24: LIGHTNING PROTECTION
    CLC/TS 50539-12:2013 Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 12: Selection and application principles - SPDs connected to photovoltaic installations
    BS EN 50164-2:2008 Lightning protection components (LPC) Requirements for conductors and earth electrodes
    13/30294291 DC : 0 BS EN 62561-8 - LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 8: REQUIREMENTS FOR COMPONENTS FOR ISOLATED LPS
    13/30277110 DC : 0 BS EN 13243 - SAFETY REQUIREMENTS FOR CABLEWAY INSTALLATIONS DESIGNED TO CARRY PERSONS - ELECTRICAL EQUIPMENT OTHER THAN FOR DRIVE SYSTEMS
    CEI EN 62305-2 : 2013 PROTECTION AGAINST LIGHTNING - PART 2: RISK MANAGEMENT
    BS EN 12977-1:2012 Thermal solar systems and components. Custom built systems General requirements for solar water heaters and combisystems
    05/30134962 DC : DRAFT JUN 2005 CENELEC TS 61643-22 - LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
    CEI CLC/TS 50539-12 : 2011 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC APPLICATION INCLUDING D.C. - PART 12: SELECTION AND APPLICATION PRINCIPLES - SPDS CONNECTED TO PHOTOVOLTAIC INSTALLATIONS
    DD CLC/TS 61643-22:2006 Low-voltage surge protective devices Surge protective devices connected to telecommunications and signalling networks. Selection and application principles
    I.S. EN 61400-24:2010 WIND TURBINES - PART 24: LIGHTNING PROTECTION
    UNI EN 12977-1 : 2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    I.S. EN 50164-7:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 7: REQUIREMENTS FOR EARTHING ENHANCING COMPOUNDS
    I.S. EN 61822:2009 ELECTRICAL INSTALLATIONS FOR LIGHTING AND BEACONING OF AERODROMES - CONSTANT CURRENT REGULATORS
    BS EN 12186:2014 Gas infrastructure. Gas pressure regulating stations for transmission and distribution. Functional requirements
    UNE-CLC/TS 61643-12:2012 Low-voltage surge protective devices -- Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
    BS EN 12779:2015 Safety of woodworking machines. Chip and dust extraction systems with fixed installation. Safety requirements
    UNE-HD 60364-5-534:2016 Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control - Clause 534: Devices for protection against transient overvoltages
    17/30326406 DC : 0 BS EN 17168 - RAILWAY APPLICATIONS - PLATFORM BARRIER SYSTEMS
    EI MODEL CODE SAFE PRACTICE PT1 : 2010 THE SELECTION, INSTALLATION, INSPECTION, AND MAINTENANCE OF ELECTRICAL AND NON ELECTRICAL APPARATUS IN HAZARDOUS AREAS
    EI 1540 : 2014 DESIGN, CONSTRUCTION, COMMISSIONING, MAINTENANCE AND TESTING OF AVIATION FUELLING FACILITIES
    BS EN 62561-2:2012 Lightning Protection System Components (LPSC) Requirements for conductors and earth electrodes
    CEI CLC/TR 50450 : 2006 RESISTIBILITY REQUIREMENTS FOR EQUIPMENT HAVING (A) TELECOMMUNICATION PORT(S)
    DD CLC/TS 50539-22:2010 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. Wind turbine applications
    S.R. CLC/TS 50539-12:2013 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC APPLICATION INCLUDING D.C. - PART 12: SELECTION AND APPLICATION PRINCIPLES - SPDS CONNECTED TO PHOTOVOLTAIC INSTALLATIONS
    S.R. CLC/TS 62603-1:2014 INDUSTRIAL PROCESS CONTROL SYSTEMS - GUIDELINE FOR EVALUATING PROCESS CONTROL SYSTEMS - PART 1: SPECIFICATIONS
    DD CLC/TS 50539-12:2010 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. SPDs connected to photovoltaic installations
    14/30292850 DC : 0 BS EN 12779 - SAFETY OF WOODWORKING MACHINES - CHIPS AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATIONS - SAFETY REQUIREMENTS
    BS EN 62305-2:2012 Protection against lightning Risk management
    08/30184703 DC : DRAFT JUNE 2008 BS EN 50164-5 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 5: REQUIREMENTS FOR EARTH ELECTRODE INSPECTION HOUSINGS AND EARTH ELECTRODE SEALS
    S.R. CLC/TS 50539-22:2010 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC APPLICATION INCLUDING D.C. - PART 22: SELECTION AND APPLICATION PRINCIPLES - WIND TURBINE APPLICATIONS
    BS EN 61400-24:2010 Wind turbines Lightning protection
    CEI CLC/TS 50539-22 : 2012 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC APPLICATION INCLUDING D.C. - PART 22: SELECTION AND APPLICATION PRINCIPLES - WIND TURBINE APPLICATIONS
    I.S. EN 12977-1:2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    I.S. EN 60794-3-60:2008 OPTICAL FIBRE CABLES - PART 3-60: OUTDOOR CABLES - FAMILY SPECIFICATION FOR DRINKING WATER PIPE CABLES AND SUBDUCTS FOR INSTALLATION BY BLOWING AND/OR PULLING/DRAGGING/FLOATING IN DRINKING WATER PIPES
    UNE-EN 12779:2016 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
    EN 62305-2:2012 Protection against lightning - Part 2: Risk management
    EN 50164-2:2008 Lightning Protection Components (LPC) - Part 2: Requirements for conductors and earth electrodes
    CEN/TS 12977-1:2010 Thermal solar systems and components - Custom built systems - Part 1: General requirements for solar water heaters and combisystems
    EN 50164-5:2009 Lightning Protection Components (LPC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals
    EN 61400-24:2010 Wind turbines - Part 24: Lightning protection
    DIN EN 12977-1:2012-06 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    EN 50164-7:2008 Lightning Protection Components (LPC) - Part 7: Requirements for earthing enhancing compounds
    CLC/TS 61643-12 : 2009 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES
    EN 62858:2015 Lightning density based on lightning location systems (LLS) - General principles
    EN 13084-6:2015 Free-standing chimneys - Part 6: Steel liners - Design and execution
    EN 50164-6:2009 Lightning Protection Components (LPC) - Part 6: Requirements for lightning strike counters
    EN 62305-3:2011 Protection against lightning - Part 3: Physical damage to structures and life hazard
    HD 60364-4-442:2012 Low-voltage electrical installations - Part 4-442: Protection for safety - Protection of low-voltage installations against temporary overvoltages due to earth faults in the high-voltage system and due to faults in the low voltage system

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 62305-4:2011/AC:2016 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES (IEC 62305-4:2010)
    IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
    EN 62305-3:2011 Protection against lightning - Part 3: Physical damage to structures and life hazard
    IEC 61643-1:2005 Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
    EN 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    EN 61643-21:2001/A2:2013 LOW VOLTAGE SURGE PROTECTIVE DEVICES - PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS (IEC 61643-21:2000/A2:2012)
    EN 62305-2:2012 Protection against lightning - Part 2: Risk management
    IEC 62305-4:2010 Protection against lightning - Part 4: Electrical and electronic systems within structures
    IEC 62305-2:2010 Protection against lightning - Part 2: Risk management
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    IEC 62305-3:2010 Protection against lightning - Part 3: Physical damage to structures and life hazard
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